Average Co-Inventor Count = 1.33
ph-index = 2
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Access Oil Tools, Inc. (1 from 5 patents)
2. Globral Marine Inc. (1 from 1 patent)
2 patents:
1. 6505531 - Oil tool connection breaker and method
2. 5351767 - Drill pipe handling